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31341323012 = 2217460901809
BaseRepresentation
bin11101001100000101…
…101010001100000100
32222220020020011122012
4131030011222030010
51003141334314022
622221545153352
72156444564366
oct351405521404
988806204565
1031341323012
11123233a594a
1260a818b858
132c5623ab5c
141734644d36
15c3677cde2
hex74c16a304

31341323012 has 12 divisors (see below), whose sum is σ = 58073628060. Its totient is φ = 14748857856.

The previous prime is 31341323009. The next prime is 31341323053. The reversal of 31341323012 is 21032314313.

It can be written as a sum of positive squares in 2 ways, for example, as 22051062016 + 9290260996 = 148496^2 + 96386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230450837 + ... + 230450972.

It is an arithmetic number, because the mean of its divisors is an integer number (4839469005).

Almost surely, 231341323012 is an apocalyptic number.

It is an amenable number.

31341323012 is a deficient number, since it is larger than the sum of its proper divisors (26732305048).

31341323012 is a wasteful number, since it uses less digits than its factorization.

31341323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460901830 (or 460901828 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31341323012 its reverse (21032314313), we get a palindrome (52373637325).

The spelling of 31341323012 in words is "thirty-one billion, three hundred forty-one million, three hundred twenty-three thousand, twelve".

Divisors: 1 2 4 17 34 68 460901809 921803618 1843607236 7835330753 15670661506 31341323012